CN116443198A - Floating wind power hydrogen production platform system and working method thereof - Google Patents
Floating wind power hydrogen production platform system and working method thereof Download PDFInfo
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- 238000007667 floating Methods 0.000 title claims abstract description 171
- 239000001257 hydrogen Substances 0.000 title claims abstract description 122
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 122
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 42
- 239000013535 sea water Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010248 power generation Methods 0.000 claims description 14
- 238000010612 desalination reaction Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 241000282326 Felis catus Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000011033 desalting Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J1/00—Arrangements of installations for producing fresh water, e.g. by evaporation and condensation of sea water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- Chemical & Material Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
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- Civil Engineering (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
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- Organic Chemistry (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a floating wind power hydrogen production platform system and a working method thereof, wherein the floating wind power hydrogen production platform system comprises a floating body foundation unit, wind turbine generator units, a mooring unit and a hydrogen production and storage unit, the floating body foundation unit comprises an upper floating body component and a lower floating body component which are fixedly connected, the upper floating body component comprises a plurality of upper floating bodies, the upper parts of the adjacent upper floating bodies are fixedly connected through upper cross bars, the upper cross bars enclose a frame of a deck, the hydrogen production and storage unit is arranged on the deck above the sea surface, the top ends of the upper floating bodies are respectively provided with an upper diagonal bar, the top ends of the upper diagonal bars are fixed together and form a floating roof, the wind turbine generator units are arranged on the floating roof, the mooring unit is connected with the lower floating body component, the wind turbine generator units are electrically connected with the hydrogen production and storage unit, and electric energy output by the wind turbine generator units is used for being transmitted to the hydrogen production and storage unit. The invention can solve the problems of high manufacturing cost and large-scale delivery of electric power resources of the traditional floating wind power platform.
Description
Technical Field
The invention belongs to the technical field of new energy at sea, and particularly relates to a floating wind power hydrogen production platform system and a working method thereof.
Background
The offshore wind power plays a vital role in the transformation of a propulsion energy structure, and for the development of large-scale deep-sea wind power resources, the manufacturing cost of an electric power delivery project is greatly increased along with the increase of the distance, wherein the electric power delivery project comprises the manufacture and the installation of equipment facilities such as submarine cables, offshore booster stations, offshore converter stations and the like, and in addition, the feasibility of the offshore wind power project is affected to a certain extent due to the fact that routing resources are required for logging in the cables for conveying electric power and the constraint of the offshore routing resources.
The existing wind turbine set on the offshore floating wind power generation foundation mainly comprises an upwind wind turbine and a vertical tower cylinder structure, the upwind wind turbine and the vertical tower cylinder structure are mainly actively rotated through the wind turbine set to control the windward direction, the form of the offshore floating wind power generation foundation comprises a single column type foundation, a three column type foundation and a four column type foundation, the single column type foundation needs a deepwater environment, the existing three column type foundation and the four column type foundation are heavy, the existing three column type foundation and the four column type foundation are mainly moored at multiple points, and the manufacturing cost is high.
Disclosure of Invention
In view of the defects in the prior art, the invention provides a floating wind power hydrogen production platform system and a working method thereof, which can solve the problems of high manufacturing cost and large-scale delivery of electric power resources of the traditional floating wind power platform.
The technical scheme adopted for solving the technical problems is as follows:
the floating wind power hydrogen production platform system comprises a floating body foundation unit, wind turbine units, mooring units and hydrogen production and storage units, wherein the floating body foundation unit comprises an upper floating body component and a lower floating body component which are fixedly connected, each upper floating body component comprises a plurality of upper floating bodies, the upper parts of the upper floating bodies are adjacent to each other and are fixedly connected through upper cross bars, each upper cross bar encloses a surrounding frame of a deck, the hydrogen production and storage units are arranged on the deck above the sea surface, each upper floating body top is provided with an upper inclined rod, the top ends of the upper inclined rods are fixed together and form a floating roof, the wind turbine units are arranged on the floating roof, the mooring units are connected with the lower floating body component, the wind turbine units are electrically connected with the hydrogen production and storage units, and electric energy output by the wind turbine units is used for being transmitted to the hydrogen production and storage units.
Further, the lower floating body assembly comprises a plurality of lower floating bodies, the adjacent lower floating bodies are fixedly connected through a lower cross rod, lower inclined rods are arranged at the bottom ends of the lower floating bodies, the bottom ends of the lower inclined rods are fixed together to form a floating bottom, the mooring units are single-point mooring units, and the single-point mooring units are connected with the floating bottom.
Further, the number of the lower floating bodies is equal to that of the upper floating bodies, each lower floating body is located right below the corresponding upper floating body and is fixedly connected through a vertical rod, the lengths of the upper inclined rods are equal, the lengths of the lower inclined rods are equal, and the floating roof is located right above the floating bottom.
Further, the device also comprises a propulsion unit, the propulsion unit comprises a plurality of propulsion components which are equal to the lower floating body in number, the propulsion components comprise a propulsion assembly and a rotation assembly, the propulsion assembly comprises a plurality of propeller blades, the propeller blades are distributed on a horizontal propulsion hub, the rotation assembly comprises an L-shaped connecting cylinder, a rotation motor is fixed in a horizontal cylinder section of the connecting cylinder, the output shaft of the rotary motor extends out of the horizontal barrel section, the propelling wheel hub is sleeved and fixed on the output shaft of the rotary motor, the top end of the vertical barrel section of the connecting barrel is fixedly connected with the bottom end of the corresponding lower floating body, and the propelling unit is used for driving the floating body foundation unit and the wind motor unit to rotate around the single-point mooring unit so as to resist the action of wind and wave currents.
Further, each of the top and the bottom of the upper diagonal member are provided with a manhole, a ladder stand and a first cable, each of the manholes of the bottom is close to the deck, each of the manholes of the top is communicated with a generator cabin of the wind turbine unit, each of the upper floating members is internally provided with a second cable, each of the vertical rods is internally provided with a third cable, each of the lower floating members is internally provided with a fourth cable, each of the connecting cylinders is internally provided with a fifth cable, the top of the first cable is connected with the generator cabin of the wind turbine unit, the bottom of the first cable is connected with the top of the corresponding second cable, the bottom of the second cable is connected with the top of the corresponding third cable, the bottom of the third cable is connected with the top of the corresponding fourth cable, the bottom of the fourth cable is connected with the top of the corresponding fifth cable, the bottom of the fifth cable is connected with the rotary motor, and one of the bottom of the first cable is also connected with the hydrogen production and storage unit.
Further, the hydrogen production and storage unit comprises sea water desalination equipment, hydrogen production equipment, hydrogen liquefaction equipment and hydrogen storage equipment, one end of the sea water desalination equipment is arranged under the sea surface, the other end of the sea water desalination equipment is connected with one end of the hydrogen production equipment, the other end of the hydrogen production equipment is connected with one end of the hydrogen liquefaction equipment, the other end of the hydrogen liquefaction equipment is connected with one end of the hydrogen storage equipment, and the other end of the hydrogen storage equipment is used for being connected with hydrogen output equipment.
Further, the single point mooring unit comprises a universal joint, a mooring chain and an anchor, one end of the universal joint is connected with the floating bottom, the other end of the universal joint is connected with the top end of the mooring chain, and the bottom end of the mooring chain is connected with the anchor fixed on the seabed.
Further, the wind turbine unit comprises a plurality of fan blades, wherein the fan blades are arranged on a horizontal fan rotor through a fan hub, and the fan rotor is provided with a generator cabin.
Further, the upper floating body and the lower floating body are both floating boxes, a plurality of cavities are distributed in the floating boxes, ballast water is arranged in part of the cavities, and the ballast water is used for adjusting the draft of the floating body foundation unit.
The working method of the floating wind power hydrogen production platform system specifically comprises the following steps: the wind turbine generator system unit generates electricity under the action of wind power and transmits the output electric energy to the hydrogen production and storage unit, and the hydrogen production and storage unit utilizes the transmitted electric energy to electrolyze water into hydrogen and oxygen and store the prepared hydrogen.
Compared with the prior art, the invention has the beneficial effects that:
the floating body foundation unit in the floating wind power hydrogen production platform system is a floating foundation without a tower, has small weight and relatively low manufacturing cost, can prepare hydrogen by utilizing intermittent offshore wind power generated by the wind turbine generator unit to electrolyze water in situ and store the hydrogen for application, and can effectively solve the problems of high manufacturing cost and large-scale power resource delivery of the traditional floating wind power platform.
In the invention, the lower floating body assembly comprises a plurality of lower floating bodies, wherein adjacent lower floating bodies are fixedly connected through a lower cross rod, lower inclined rods are arranged at the bottom ends of the lower floating bodies, the bottom ends of the lower inclined rods are fixed together to form a floating bottom, a mooring unit is a single-point mooring unit, the single-point mooring unit is connected with the floating bottom, the number of the lower floating bodies is equal to that of the upper floating bodies, each lower floating body is positioned right below the corresponding upper floating body and is fixedly connected through a vertical rod, the lengths of the upper inclined rods are equal, the lengths of the lower inclined rods are equal, and a floating top is positioned right above the floating bottom; thus, the whole floating body foundation unit is of a symmetrical structure, and is convenient to stably float in seawater.
According to the invention, manholes are formed in the top and the bottom of each upper inclined rod, a ladder stand and a first cable are arranged in the upper inclined rods, each manhole in the bottom is close to a deck, each manhole in the top is communicated with a generator cabin of a wind turbine unit, a second cable is arranged in each upper floating body, a third cable is arranged in each vertical rod, a fourth cable is arranged in each lower floating body, a fifth cable is arranged in each connecting cylinder, the top end of the first cable is connected with the generator cabin of the wind turbine unit, the bottom end of the first cable is connected with the top end of the corresponding second cable, the bottom end of the second cable is connected with the top end of the corresponding third cable, the bottom end of the third cable is connected with the top end of the corresponding fourth cable, the bottom end of the fourth cable is connected with the top end of the corresponding fifth cable, the bottom end of the fifth cable is connected with a rotary motor, and one bottom end of the first cable is also connected with a hydrogen storage unit; the first cable, the second cable, the third cable, the fourth cable and the fifth cable are sequentially connected, electric energy generated by the generator cabin of the wind turbine unit can be transmitted to the rotary motor, so that the propulsion unit drives the floating body foundation unit and the wind turbine unit to rotate around the single-point mooring unit to resist the action of wind and wave currents, in addition, the first cable is arranged in the upper inclined rod, the second cable is arranged in the upper floating body, the third cable is arranged in the vertical rod, the fourth cable is arranged in the lower floating body, the fifth cable is arranged in the connecting cylinder, and therefore the first cable, the second cable, the third cable, the fourth cable and the fifth cable are not exposed to the external environment, the service life can be prolonged, and electric energy generated by the generator cabin of the wind turbine unit can be transmitted to the hydrogen storage unit through one of the first cables, so that water can be prepared in situ.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a floating wind power hydrogen production platform system of the present invention;
FIG. 2 is a schematic view of a front view of one of the propulsion components of FIG. 1 in an enlarged configuration;
FIG. 3 is a schematic side view of the structure of FIG. 2;
fig. 4 is a schematic diagram of the structure of the hydrogen producing and storing unit in fig. 1.
The reference numerals in the drawings illustrate: 101. upper floating body, 102, upper cross rod, 103, deck, 104, upper diagonal rod, 201, lower floating body, 202, lower cross rod, 203, lower diagonal rod, 3, vertical rod, 4, wind turbine unit, 5, propulsion part, 501, propeller blade, 502, propulsion hub, 503, connecting cylinder, 601, sea water desalination device, 602, hydrogen production device, 603, hydrogen liquefaction device, 604, hydrogen storage device, 7, hydrogen output device, 801, universal joint, 802, mooring chain, 803 and anchoring.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in FIG. 1, the floating wind power hydrogen production platform system comprises a floating body foundation unit, wind turbine units 4, mooring units and hydrogen production and storage units, wherein the floating body foundation unit comprises an upper floating body component and a lower floating body component which are fixedly connected, the upper floating body component comprises a plurality of upper floating bodies 101, the upper parts of the adjacent upper floating bodies 101 are fixedly connected through upper cross bars 102, each upper cross bar 102 encloses a surrounding frame of a deck 103, the hydrogen production and storage units are arranged on the decks 103 above the sea surface, upper diagonal bars 104 are arranged at the top ends of each upper floating bodies 101, the top ends of the upper diagonal bars 104 are fixed together and form floating roofs, the wind turbine units 4 are arranged on the floating roofs, the mooring units are connected with the lower floating body component, the wind turbine units 4 are electrically connected with the hydrogen production and storage units, and electric energy output by the wind turbine units 4 is used for being transmitted to the hydrogen production and storage units. Wherein wind turbine unit 4 includes a plurality of fan blades, and a plurality of fan blades pass through fan wheel hub and set up on horizontal fan rotor, and the fan rotor is furnished with the generator cabin, and wherein lower body subassembly is in under the sea, wherein deck 103 is metal grid deck 103, and metal grid deck 103 can reduce the windage when body foundation unit moves.
The floating body foundation unit is a floating foundation without a tower, has small weight and relatively low manufacturing cost, can be used for preparing hydrogen by utilizing intermittent offshore wind power generated by the wind turbine generator unit 4 to electrolyze water in situ, and can store the hydrogen for application, so that the problems of high manufacturing cost and large-scale power resource output of the traditional floating wind power platform can be effectively solved.
In one embodiment, the lower floating body assembly comprises a plurality of lower floating bodies 201, adjacent lower floating bodies 201 are fixedly connected through a lower cross bar 202, lower inclined bars 203 are arranged at the bottom ends of the lower floating bodies 201, the bottom ends of the lower inclined bars 203 are fixed together to form a floating bottom, and the mooring units are single-point mooring units which are connected with the floating bottom; the number of the lower floating bodies 201 is equal to that of the upper floating bodies 101, each lower floating body 201 is positioned right below the corresponding upper floating body 101 and is fixedly connected through a vertical rod 3, the lengths of the upper inclined rods 104 are equal, the lengths of the lower inclined rods 203 are equal, and the floating roof is positioned right above the floating bottom, as shown in fig. 1. The whole body of body basic unit is symmetrical arrangement like this, has better structural stability, and the focus position of body basic unit is geometric centre position, and under the effect of stormy waves and currents environment, the stress state is more balanced, reducible enhancement design, avoids the fatigue damage that the unbalanced stress brought repeatedly, is convenient for float in the sea water steadily. The inclination angles of the upper diagonal rod 104 and the lower diagonal rod 203 are all optimally designed according to the sea area. Preferably, the four upper cross bars 102, the four lower cross bars 202 and the four vertical bars 3 enclose a square structure.
In one embodiment, as shown in fig. 1-3, the floating wind power hydrogen production platform system further comprises a propulsion unit, the propulsion unit comprises a plurality of propulsion components 5 which are equal to the number of the lower floating bodies 201, the propulsion components 5 comprise a propulsion component and a rotation component, the propulsion component comprises a plurality of propeller blades 501, the propeller blades 501 are distributed on a horizontal propulsion hub 502, the rotation component comprises an L-shaped connecting cylinder 503, a rotation motor is fixed in a horizontal cylinder section of the connecting cylinder 503, an output shaft of the rotation motor extends out of the horizontal cylinder section, the propulsion hub 502 is sleeved and fixed on an output shaft of the rotation motor, the top ends of vertical cylinder sections of the connecting cylinders 503 are fixedly connected with the bottom ends of the corresponding lower floating bodies 201, and the propulsion unit is used for driving the floating body foundation unit and the wind turbine unit 4 to rotate around the single-point mooring unit so as to resist wind wave current. Wherein the bottom of the lower float 201 is provided with a reinforcement portion for reinforcing the local structural strength when connected with the connection cylinder 503.
Under the condition that environmental conditions such as wind and wave flow are severe, the rotary motor is controlled to drive the rotary motor to drive the corresponding plurality of bolt paddles to rotate, so that thrust is generated on the corresponding lower floating body 201, and the rotating speed of the rotary motor is controlled to control the thrust direction and the thrust of the corresponding lower floating body 201, so that the floating body foundation unit and the wind turbine generator unit 4 rotate clockwise or anticlockwise around the single-point mooring unit by a certain angle to resist the action of the wind and wave flow, thereby enabling the light floating wind power hydrogen production platform system to adapt to severe sea conditions, increasing the normal running time, and increasing the generating capacity and the hydrogen production.
In one embodiment, the top and the bottom of each upper diagonal rod 104 are respectively provided with a manhole, and the inside is respectively provided with a cat ladder and a first cable, each manhole of the bottom is close to the deck 103, each manhole of the top is communicated with the generator cabin of the wind turbine unit 4, each upper floating body 101 is internally provided with a second cable, each vertical rod 3 is internally provided with a third cable, each lower floating body 201 is internally provided with a fourth cable, each connecting barrel 503 is internally provided with a fifth cable, the top end of the first cable is connected with the generator cabin of the wind turbine unit 4, the bottom end of the first cable is connected with the top end of the corresponding second cable, the bottom end of the second cable is connected with the top end of the corresponding third cable, the bottom end of the third cable is connected with the top end of the corresponding fourth cable, the bottom end of the fourth cable is connected with the top end of the corresponding fifth cable, the bottom end of the fifth cable is connected with the rotary motor, and one of the first cable is also connected with the hydrogen production unit.
The electric energy generated by the generator cabin can be transmitted to the rotary motor through the first cable, the second cable, the third cable, the fourth cable and the fifth cable in sequence, so that the propulsion unit drives the floating body foundation unit and the wind turbine unit 4 to rotate around the single-point mooring unit to resist the action of wind wave and current.
In one embodiment, as shown in fig. 1 and 4, the hydrogen producing and storing unit includes a sea water desalting device 601, a hydrogen producing device 602, a hydrogen liquefying device 603 and a hydrogen storing device 604, wherein one end of the sea water desalting device 601 is under the sea surface, the other end of the sea water desalting device is connected with one end of the hydrogen producing device 602, the other end of the hydrogen producing device 602 is connected with one end of the hydrogen liquefying device 603, the other end of the hydrogen liquefying device 603 is connected with one end of the hydrogen storing device 604, the other end of the hydrogen storing device 604 is used for being connected with a hydrogen external conveying device 7, and the bottom end of one first cable is further electrically connected with the sea water desalting device 601 and the hydrogen producing device 602. The seawater desalination device 601 directly pumps seawater into the seawater under the action of electric energy output by the wind turbine unit 4 and performs desalination treatment, the seawater is changed into desalinated water capable of being electrolyzed and is conveyed to the hydrogen production device 602, dependence of external raw materials is reduced, the hydrogen production device 602 electrolyzes the desalinated water into hydrogen and oxygen under the action of the electric energy output by the wind turbine unit 4 and conveys the hydrogen to the hydrogen liquefaction device 603, the hydrogen production device 602 uses a proton exchange membrane hydrogen production mode, applicability to wind power fluctuation is improved, the hydrogen liquefaction device 603 liquefies gaseous hydrogen and conveys liquid hydrogen to the hydrogen storage device 604, the volume of the hydrogen storage device 604 is reduced, large-scale hydrogen energy storage is facilitated, a hydrogen external conveying device 7 such as a hydrogen transportation ship directly lifts a hydrogen storage tank in the hydrogen storage device 604 onto a ship, or liquid hydrogen in the hydrogen storage device 604 on the deck 103 is conveyed to the hydrogen storage device 604 by adopting a liquid hydrogen output pipeline, and the direction indicated by an arrow in fig. 4 is hydrogen flow direction.
In one embodiment, as shown in fig. 1, the single point mooring unit comprises a universal joint 801, a mooring chain 802 and an anchor 803, wherein one end of the universal joint 801 is connected with a floating bottom, the other end is connected with the top end of the mooring chain 802, the bottom end of the mooring chain 802 is connected with the anchor 803 fixed on the sea bottom, and the anchor 803 is a suction cylinder anchor 803; the floating body foundation unit can rotate around the universal joint 801 under the drive of the propulsion unit.
In one embodiment, the upper floating body 101 and the lower floating body 201 are both buoyancy tanks, and a plurality of cavities are distributed in the buoyancy tanks, wherein ballast water is arranged in part of the cavities for adjusting the draft of the floating body foundation unit. In addition, the plurality of cavities distributed in the buoyancy tank are convenient for keeping certain buoyancy when part of the cavities are damaged.
The working method of the floating wind power hydrogen production platform system specifically comprises the following steps: other units except the single-point mooring unit in the floating wind power hydrogen production platform system are assembled and transported to a set sea area, the single-point mooring unit is used for fixing, ballast water in the buoyancy tank is adjusted to adjust the draft of the floating body foundation unit, the floating body foundation unit and the wind turbine unit 4 are driven by the propulsion unit to rotate around the single-point mooring unit by a certain angle according to wind direction signals, the wind turbine unit 4 works and converts wind energy into electric energy after the fan blades of the wind turbine unit 4 face wind direction, the output electric energy is transmitted to the hydrogen production and storage unit, and the hydrogen production and storage unit electrolyzes water into hydrogen and oxygen by utilizing the transmitted electric energy and stores the prepared hydrogen.
The floating body foundation unit is a light-weight tower-free single-point mooring floating foundation, has small weight and relatively low manufacturing cost, can utilize intermittent offshore wind power generated by the wind turbine generator unit 4 to electrolyze water in situ to prepare hydrogen, store the hydrogen and convey the hydrogen to an application terminal, and form an off-grid offshore wind power generation hydrogen storage and transportation mode, so that the problems of high manufacturing cost, intermittent power generation and large-scale transmission of deep-far offshore wind power resources of the traditional floating wind power platform can be effectively solved.
The floating body foundation unit adopts a lightweight design, so that the cost of design, construction, installation, operation and maintenance can be greatly reduced, in particular, a traditional vertical tower barrel is simplified into four upper inclined rods 104, the requirement on structural strength of a high-rise structure can be effectively reduced, the bending moment between a fan unit and the floating body foundation unit is reduced while the weight is reduced, the traditional upright column foundation is simplified into a plurality of upper floating bodies 101 connected through the upper transverse rods 102 and a plurality of lower floating bodies 201 connected through the lower transverse rods 202, and the upper floating bodies 101 are connected with the corresponding lower floating bodies 201 through the vertical rods 3, so that the weight of the whole floating body foundation unit is reduced.
The invention can be used as a development platform of a deep open sea wind field on the one hand and can be used as an offshore energy supply station on the other hand, and can be distributed in different sea areas under the action of a propulsion unit by adopting a single point mooring unit and adopting a repeatedly retractable suction cylinder type anchor 803, so that the invention can be used as an offshore energy supply station for outputting continuous and stable hydrogen energy and meeting the requirements of power of a channel ship and energy supply of a deep sea mining ship.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. A floating wind power hydrogen production platform system is characterized in that: including body foundation unit, wind turbine generator system unit (4), mooring unit and hydrogen storage unit, body foundation unit includes fixed connection's last body subassembly and lower body subassembly, go up body subassembly and include a plurality of last body (101), adjacent go up through last horizontal pole (102) fixed connection between the upper portion of body (101), each go up the enclosing frame that horizontal pole (102) encloses into deck (103), hydrogen storage unit sets up on deck (103) that are in the sea top, each upward body (101) top all is equipped with down tube (104), and each upward down tube (104) top is fixed in together and forms the floating roof, wind turbine generator system unit (4) set up in the floating roof, mooring unit is connected with lower body subassembly, wind turbine generator system unit (4) are connected with hydrogen storage unit electricity, the electric energy of wind turbine generator system unit (4) output is used for transmitting to hydrogen storage unit.
2. The floating wind power generation platform system of claim 1, wherein: the lower floating body assembly comprises a plurality of lower floating bodies (201), the adjacent lower floating bodies (201) are fixedly connected through lower cross bars (202), lower inclined rods (203) are arranged at the bottom ends of the lower floating bodies (201), the bottom ends of the lower inclined rods (203) are fixed together to form a floating bottom, the mooring units are single-point mooring units, and the single-point mooring units are connected with the floating bottom.
3. The floating wind power generation platform system of claim 2, wherein: the number of the lower floating bodies (201) is equal to that of the upper floating bodies (101), each lower floating body (201) is located right below the corresponding upper floating body (101) and is fixedly connected through a vertical rod (3), the lengths of the upper inclined rods (104) are equal, the lengths of the lower inclined rods (203) are equal, and the floating roof is located right above the floating bottom.
4. A floating wind power generation hydrogen production platform system according to claim 3, wherein: the wind power generation device comprises a floating body (201) and is characterized by further comprising a propulsion unit, wherein the propulsion unit comprises a plurality of propulsion components (5) equal to the number of the lower floating bodies (201), each propulsion component (5) comprises a propulsion assembly and a rotation assembly, each propulsion assembly comprises a plurality of propeller blades (501), each propeller blade (501) is distributed on a horizontal propulsion hub (502), each rotation assembly comprises an L-shaped connecting cylinder (503), a rotation motor is fixed in each horizontal cylinder section of each connecting cylinder (503), an output shaft of each rotation motor extends out of each horizontal cylinder section, each propulsion hub (502) is sleeved and fixed on an output shaft of each rotation motor, the top end of each vertical cylinder section of each connecting cylinder (503) is fixedly connected with the bottom end of the corresponding lower floating body (201), and each propulsion unit is used for driving each floating body foundation unit and each wind power generation unit (4) to rotate around a single-point mooring unit so as to resist wind wave and current effects.
5. The floating wind power generation platform system of claim 4, wherein: each top and the bottom of going up diagonal bar (104) all are equipped with the manhole to inside all be equipped with cat ladder and first cable, each manhole of bottom is close to deck (103), each manhole at top is connected with the generator cabin of wind turbine unit (4), each go up body (101) in all be equipped with the second cable, each be equipped with the third cable in montant (3), each be equipped with the fourth cable in lower body (201), each all be equipped with the fifth cable in connecting cylinder (503), first cable top is connected with the generator cabin of wind turbine unit (4), first cable bottom is connected with corresponding second cable top, second cable bottom is connected with corresponding third cable top, the third cable bottom is connected with corresponding fourth cable top, fourth cable bottom is connected with corresponding fifth cable top, fifth cable bottom is connected with rotary motor, wherein one first cable bottom still is connected with hydrogen storage unit.
6. The floating wind power generation platform system of claim 4, wherein: the hydrogen production and storage unit comprises a sea water desalination device (601), a hydrogen production device (602), a hydrogen liquefaction device (603) and a hydrogen storage device (604), wherein one end of the sea water desalination device (601) is positioned under the sea surface, the other end of the sea water desalination device is connected with one end of the hydrogen production device (602), the other end of the hydrogen production device (602) is connected with one end of the hydrogen liquefaction device (603), the other end of the hydrogen liquefaction device (603) is connected with one end of the hydrogen storage device (604), and the other end of the hydrogen storage device (604) is used for being connected with a hydrogen output device (7).
7. The floating wind power generation platform system of claim 2, wherein: the single-point mooring unit comprises a universal joint (801), a mooring chain (802) and an anchor (803), one end of the universal joint (801) is connected with a floating bottom, the other end of the universal joint is connected with the top end of the mooring chain (802), and the bottom end of the mooring chain (802) is connected with the anchor (803) fixed on the sea bottom.
8. The floating wind power generation platform system of claim 1, wherein: the wind turbine generator unit (4) comprises a plurality of fan blades, wherein the fan blades are arranged on a horizontal fan rotor through a fan hub, and the fan rotor is provided with a generator cabin.
9. The floating wind power generation platform system of claim 1, wherein: the upper floating body (101) and the lower floating body (201) are both buoyancy tanks, a plurality of cavities are distributed in the buoyancy tanks, ballast water is arranged in part of the cavities, and the ballast water is used for adjusting the draft of the floating body foundation unit.
10. The method of operation of a floating wind power hydrogen production platform system according to any one of claims 1-9, in particular: the wind turbine generator system unit (4) generates electricity under the action of wind power and transmits the output electric energy to the hydrogen production and storage unit, and the hydrogen production and storage unit utilizes the transmitted electric energy to electrolyze water into hydrogen and oxygen and store the prepared hydrogen.
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